qa-social-share-utils.php

<?php
    if ( !defined( 'QA_VERSION' ) ) { // don't allow this page to be requested directly from browser
        exit;
    }

    function ami_social_icon( $icon )
    {
        return '<i class="' . $icon . '"></i>';
    }

    if ( !function_exists( 'last_key' ) ) {
        // Returns the key at the end of the array
        function last_key( $array )
        {
            end( $array );

            return key( $array );
        }
    }

    if ( !function_exists( 'first_key' ) ) {
        // Returns the key at the start of the array
        function first_key( $array )
        {
            reset( $array );

            return key( $array );
        }
    }

    if ( !function_exists( 'is_last_key' ) ) {
        function is_last_key( $array, $key )
        {
            return $key == last_key( $array );
        }
    }

    if ( !function_exists( 'first_key' ) ) {
        function first_key( $array, $key )
        {
            return $key == first_key( $array );
        }
    }

    if ( !function_exists( 'dd' ) ) {
        function dd( $data )
        {
            echo '<pre>';
            print_r( $data );
            echo '</pre>';
        }
    }

    /**
     * Returns the language html value as defined in lang file
     *
     * @param      $indentifier
     * @param null $subs
     *
     * @return mixed|string
     */
    function ami_social_share_lang( $indentifier, $subs = null )
    {
        if ( !is_array( $subs ) )
            return empty( $subs ) ? qa_lang_html( 'sss_lang/' . $indentifier ) : qa_lang_html_sub( 'sss_lang/' . $indentifier, $subs );
        else
            return strtr( qa_lang_html( 'sss_lang/' . $indentifier ), $subs );
    }

    /**
     * returns the first image from a string (Generally from a post)
     *
     * @param $string
     *
     * @return null
     */
    function ami_social_get_first_image_from_html( $string )
    {
        $regex = "/\<img.+src\s*=\s*\"([^\"]*)\"[^\>]*\>/Us";
        if ( $image = preg_match_all( $regex, $string, $matches ) ) {
            return $matches[1][0];
        } else {
            return null;
        }
    }